125 lines
4.6 KiB
Java
125 lines
4.6 KiB
Java
package com.mogo.utils;
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import android.app.ActivityManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.text.TextUtils;
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import java.util.List;
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/**
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* @author congtaowang
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* @since 2020-04-09
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* <p>
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* 描述
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*/
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public class AppUtils {
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public static boolean isApplicationBroughtToBackground( final Context context ) {
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ActivityManager am = ( ActivityManager ) context.getSystemService( Context.ACTIVITY_SERVICE );
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List< ActivityManager.RunningTaskInfo > tasks = am.getRunningTasks( 1 );
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if ( !tasks.isEmpty() ) {
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ComponentName topActivity = tasks.get( 0 ).topActivity;
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if ( !topActivity.getPackageName().equals( context.getPackageName() ) ) {
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return true;
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}
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}
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return false;
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}
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public static boolean isAppInstalled( Context context, String pkg ) {
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PackageInfo packageInfo;
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if ( TextUtils.isEmpty( pkg ) ) {
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return false;
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}
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try {
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packageInfo = context.getPackageManager().getPackageInfo( pkg, 0 );
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} catch ( PackageManager.NameNotFoundException e ) {
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packageInfo = null;
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e.printStackTrace();
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}
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if ( packageInfo == null ) {
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return false;
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} else {
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return true;
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}
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}
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public static String getApplicationLabel( Context context, String pkgName ) {
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try {
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PackageManager pm = context.getPackageManager();
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ApplicationInfo appInfo = pm.getApplicationInfo( pkgName, PackageManager.GET_META_DATA );
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return pm.getApplicationLabel( appInfo ).toString();
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} catch ( Exception e ) {
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return null;
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}
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}
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public static boolean isAppForeground( Context context ) {
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if ( context != null ) {
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ActivityManager activityManager = ( ActivityManager ) context.getSystemService( Context.ACTIVITY_SERVICE );
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List< ActivityManager.RunningAppProcessInfo > processes = activityManager.getRunningAppProcesses();
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for ( ActivityManager.RunningAppProcessInfo processInfo : processes ) {
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if ( processInfo.processName.equals( context.getPackageName() ) ) {
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if ( processInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND ) {
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return true;
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}
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}
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}
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}
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return false;
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}
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public static boolean isAppForeground( Context context, String pkg ) {
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if ( context != null ) {
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ActivityManager activityManager = ( ActivityManager ) context.getSystemService( Context.ACTIVITY_SERVICE );
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List< ActivityManager.RunningAppProcessInfo > processes = activityManager.getRunningAppProcesses();
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for ( ActivityManager.RunningAppProcessInfo processInfo : processes ) {
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if ( processInfo.processName.equals( pkg ) ) {
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if ( processInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND ) {
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return true;
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}
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}
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}
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}
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return false;
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}
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//获取已安装应用的 uid，-1 表示未安装此应用或程序异常
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public static int getPackageUid( Context context, String packageName ) {
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try {
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ApplicationInfo applicationInfo = context.getPackageManager().getApplicationInfo( packageName, 0 );
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if ( applicationInfo != null ) {
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return applicationInfo.uid;
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}
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} catch ( Exception e ) {
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return -1;
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}
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return -1;
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}
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/**
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* 判断某一 uid 的程序是否有正在运行的进程，即是否存活
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* Created by cafeting on 2017/2/4.
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*
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* @param context 上下文
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* @param uid 已安装应用的 uid
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* @return true 表示正在运行，false 表示没有运行
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*/
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public static boolean isProcessRunning( Context context, int uid ) {
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ActivityManager am = ( ActivityManager ) context.getSystemService( Context.ACTIVITY_SERVICE );
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List< ActivityManager.RunningServiceInfo > runningServiceInfos = am.getRunningServices( 200 );
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if ( runningServiceInfos.size() > 0 ) {
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for ( ActivityManager.RunningServiceInfo appProcess : runningServiceInfos ) {
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if ( uid == appProcess.uid ) {
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return true;
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}
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}
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}
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return false;
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}
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}
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